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20230311102 = 234182237037
BaseRepresentation
bin10010110101110100…
…100000110010111110
31221012212220021200120
4102311310200302332
5312412424423402
613143233435410
71314216543561
oct226564406276
957185807616
1020230311102
118641535181
123b0710bb66
131ba53156b1
14d9cb184d8
157d60b13bc
hex4b5d20cbe

20230311102 has 16 divisors (see below), whose sum is σ = 41447467152. Its totient is φ = 6578962880.

The previous prime is 20230311071. The next prime is 20230311103. The reversal of 20230311102 is 20111303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230311103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41118273 + ... + 41118764.

It is an arithmetic number, because the mean of its divisors is an integer number (2590466697).

Almost surely, 220230311102 is an apocalyptic number.

20230311102 is an abundant number, since it is smaller than the sum of its proper divisors (21217156050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230311102 is a wasteful number, since it uses less digits than its factorization.

20230311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82237083.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20230311102 its reverse (20111303202), we get a palindrome (40341614304).

The spelling of 20230311102 in words is "twenty billion, two hundred thirty million, three hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 41 82 123 246 82237037 164474074 246711111 493422222 3371718517 6743437034 10115155551 20230311102